Pillowtop mattress



FIG. 1 is a perspective view of the pillowtop mattress.

FIG. 2 is a top view of the pillowtop mattress.

FIG. 3 is a bottom view of the pillowtop mattress.

FIG. 4 is a side view of the pillowtop mattress, which is identical to the opposite side thereof; and,

FIG. 5 is an end view of the pillowtop mattress, which is identical to the opposite end thereof. 

The ornamental design for a pillowtop mattress, as shown and described. 